// SENIOR_SOFTWARE_ENGINEER · FULL_STACK_ARCHITECT

SUDIPTA_MONDAL

// FULL_STACK_ARCHITECT
8+ YEARS BUILDING SCALABLE SAAS · REACT.JS / VUE.JS · PYTHON · AWS
100K+ CONCURRENT USERS · 12+ PRODUCTS SHIPPED
WHAT_I_OFFER

SERVICES & PACKAGES

01 / SERVICE
[SaaS]
Full-Stack SaaS Build
End-to-end SaaS product development — from architecture to deployment. I handle every layer so you can focus on the product.
Nuxt.js / Vue.js / React frontend
NestJS / Node.js backend APIs
Multi-tenant database architecture
AWS infrastructure + CI/CD
Auth, billing (Stripe), notifications
// STARTING FROM DISCOVERY CALL
02 / SERVICE
[API]
Backend API & Systems
High-performance, scalable backend systems. REST or GraphQL. Optimized for throughput, reliability, and maintainability.
REST / GraphQL API design & build
Real-time with Socket.io / WebRTC
Database design & optimization
Microservices & event-driven arch
Redis caching, queues, pub/sub
// FIXED SCOPE OR RETAINER
03 / SERVICE
[OPS]
DevOps & Cloud Setup
Production-grade cloud infrastructure. Automated deployments, zero-downtime, observability. Built for teams that ship fast.
AWS architecture design
Docker / Kubernetes orchestration
Terraform infrastructure as code
CI/CD pipelines (GitHub Actions)
Monitoring, logging, alerting
// ONE-TIME OR ONGOING
04 / SERVICE
[INT]
Integrations & Automation
Connect your stack. Automate your ops. From Shopify to Stripe to custom AI pipelines — I wire it all together.
Shopify / eCommerce integrations
Payment gateway implementations
n8n / Zapier automation flows
AI agent workflow development
Third-party API integrations
// PER PROJECT
05 / SERVICE
[OPT]
Performance Audit & Fix
Slow app? I diagnose and fix. LCP, TTFB, database N+1s, memory leaks — I find the bottleneck and eliminate it.
Core Web Vitals audit & fixes
SSR / SSG optimization
Database query optimization
CDN, caching layer setup
Load testing & profiling
// AUDIT STARTS FIXED PRICE
06 / SERVICE
[PM]
Project Management
Hands-on delivery leadership for teams that need structure, momentum, and clear execution. I keep projects aligned, unblocked, and moving on schedule.
Roadmap, scope, and sprint planning
Team coordination across design and engineering
Timeline tracking and delivery management
Stakeholder communication and reporting
Risk management and blocker resolution
// MONTHLY RETAINER
SELECTED_WORK

PROJECT MATRIX

10 / PROJECTS
01
BOOSTUGC
Video reviews and UGC SaaS for agencies and brands. Multi-brand management, secure asset storage, review workflows, and moderation at scale.
Nuxt.jsNestJSWebRTCAWS
02
EGSHOP
eCommerce SaaS platform for Bangladeshi merchants with local payments, logistics, catalog management, and multi-store operations.
Node.jsMongoDBRedisDocker
03 / FEATURED
TASKGRID
All-in-one project and task management SaaS with boards, automation, analytics, team communication, and real-time collaboration.
Nuxt.jsNestJSMongoDBPostgreSQLRedisSocket.ioAWS
04
PENGINE
Print-on-demand SaaS with Shopify integration, bulk mockup generation, wallets, and enterprise APIs for high-volume sellers.
Nuxt.jsNestJSClickHouseShopify
05 / FEATURED
CRAFT MUSIC
Global music lesson platform with audio-optimized real-time sessions, timezone-aware scheduling, subscriptions, and live chat.
Nuxt.jsNestJSWebRTCGetStreamDockerAWS
06
CAMPUS AUTOMATION SYSTEM
Campus operations platform digitizing admissions, exams, payroll, and day-to-day administration for thousands of users.
AdmissionsExamsPayrollERP
07
EGG HATCHING FORECAST APP
ACI Godrej forecasting tool for hatchery planning, production visibility, and operational decision-making across poultry workflows.
ForecastingAgritechPlanningAnalytics
08
ESELFMADE
EdTech SaaS for course discovery, automated payments, progress tracking, and centralized admin operations.
Nuxt.jsNode.jsPostgreSQLAWS
09
FORECASTING & BUDGET AUTOMATION
Enterprise forecasting and budget automation replacing spreadsheet-heavy workflows with real-time dashboards and planning tools.
React.jsPythonFastAPIPostgreSQL
10
RENDER ENGINE
GPU-powered render engine generating ultra-realistic product mockups at scale and removing manual bulk production work.
Nuxt.jsGPU RenderGraphQLAWS
CLIENT_TESTIMONIALS

WHAT CLIENTS SAY

UPWORK
Sudipta delivered a complete SaaS platform on time and beyond expectations. The architecture was clean, scalable, and well-documented. Truly a senior-level engineer who thinks like a product owner.
JK
JAMES K.
// FOUNDER · TASKGRID
DIRECT
The WebRTC implementation for our music platform was flawless. Sub-100ms latency globally, zero audio artefacts. He handled the entire infrastructure from scratch. Highly recommend for real-time systems.
SM
SARAH M.
// CTO · CRAFT MUSIC
LINKEDIN
Replaced our entire Excel forecasting workflow with a robust system in 8 weeks. The dashboard is intuitive and the automation saves our team 20+ hours a week. Exceptional problem-solver.
RA
RAHMAN A.
// VP OPERATIONS · ACI GROUP
UPWORK
Outstanding Shopify app development. Deep API knowledge, clean code, deployed to production without a single issue. Responded quickly and adapted to our changing requirements throughout.
TW
TOM W.
// CO-FOUNDER · ECOMMERCE BRAND
DIRECT
Sudipta rebuilt our backend from a monolith to microservices in a way that caused zero downtime. Our system now handles 10x the load with the same infrastructure costs. Remarkable engineering.
NI
NADIA I.
// CEO · EGSHOP.IO
LINKEDIN
As our Fractional CTO, Sudipta helped us go from MVP to Series A in 9 months. He made smart architectural decisions early that saved us enormous refactor costs down the line. A rare find.
MH
MARK H.
// FOUNDER · B2B SAAS STARTUP
CAREER_HISTORY

EXPERIENCE LOG

Lead Systems Architect
// EGSHOP.IO · PENGINE · BOOSTUGC · RENDER ENGINE
Designed and delivered 5+ multi-tenant SaaS platforms from 0→1, handling 100k+ concurrent users
Reduced 12% LCP on flagship product via SSR micro-optimizations and CDN architecture
Built GPU-accelerated mockup generation pipeline processing millions of assets per month
Led distributed teams of 6–12 engineers across product, platform, and DevOps streams
CURRENT2022–26
Senior Backend Engineer
// TASKGRID · CRAFT MUSIC · ESELFMADE
Architected real-time collaboration engine using Socket.io + Redis Pub/Sub for 100k+ users
Built WebRTC audio-optimized lesson platform with sub-100ms latency globally
Automated n8n/Zapier workflows cutting manual ops by 70% across 3 platforms
3 YRS2019–22
Full-Stack Developer
// CAMPUS AUTOMATION · ACI GROUP · SHOPIFY APPS
Built campus management system digitizing admissions, exams, payroll for 5000+ users
Replaced Excel-based enterprise forecasting with real-time FastAPI + React dashboards
Shipped 3 Shopify apps — product grouping, collection duplicator, memberships
3 YRS2016–19
TECH_CAPABILITIES

SYSTEM ARCHITECTURE STACK

Full stack with depth in frontend performance, distributed backend systems, and cloud infrastructure.

Every layer chosen for scalability — from the component to the cluster.



PROFICIENCY_LEVEL
FRONTEND96%
BACKEND94%
DEVOPS88%
Rx
React.js TypeScript
Nx
Nuxt.js Vue 3
Ns
NestJS Node.js
Py
Python FastAPI
Pg
PostgreSQL MongoDB
Rd
Redis ClickHouse
Aw
AWS Docker
Tf
Terraform CI/CD
Rt
Socket.io WebRTC
Sh
Shopify API
n8
n8n Zapier
Gq
GraphQL REST
INITIATE_CONTACT

READY TO
DEPLOY
YOUR VISION?

Available for senior engineering roles, SaaS builds, DevOps setups, and Project Management engagements. Let's architect something that scales.

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